DLMF:4.28.E12

MaRDI QIDQ2179

• Label: DLMF:4.28.E12

Digital Library of Mathematical Functions ID 4.28.E12

${\displaystyle{\displaystyle\sec\left(iz\right)=\operatorname{sech}z,}}$

Symbols List

• ${\displaystyle{\displaystyle\operatorname{sech}\NVar{z}}}$: hyperbolic secant function
• ${\displaystyle{\displaystyle\mathrm{i}}}$: imaginary unit
• ${\displaystyle{\displaystyle\sec\NVar{z}}}$: secant function
• ${\displaystyle{\displaystyle z}}$: complex variable
 

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